Butier, W. H., & Panigirtzoglou, N. (1999). Liquidity traps: How to avoid them and how to escape them. National Bureau of Economic Research.
Цитирование в стиле Чикаго (17-е изд.)Butier, Willem H., и Nikolaos Panigirtzoglou. Liquidity Traps: How to Avoid Them and How to Escape Them. Cambridge: National Bureau of Economic Research, 1999.
Цитирование MLA (9-е изд.)Butier, Willem H., и Nikolaos Panigirtzoglou. Liquidity Traps: How to Avoid Them and How to Escape Them. National Bureau of Economic Research, 1999.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.